Strategic Seamless Paddle Zones: 4 way stretch with anatomically shaped panels for more efficient movement; Flatloc Stitched Seams: Breathable and comfortable construction; UV Protection: UPF 50+; Quick Dry: Yes; Boardshort Connector: Yes; Performance Fit: Tighter construction across the abdomen and shoulders for a second skin feel; Material: Nylon, spandex; :: Men > Rash Vests Size: Small,Medium,Large.